Which of the following components of the mitochondrial electron transport chain is the only one to be considered a peripheral protein? the cytochrome a-a3 complex the cytochrome c oxidase complex coenzyme Q (ubiquinone) the cytochrome b-c1 complex cytochrome c

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Chapter5: Capturing And Releasing Energy
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Which of the following components of the mitochondrial electron transport chain is the only one to be considered a peripheral protein?

  1. the cytochrome a-a3 complex
  2. the cytochrome c oxidase complex
  3. coenzyme Q (ubiquinone)
  4. the cytochrome b-c1 complex
  5. cytochrome c
Expert Solution
Step 1

The electron transport chain is a series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons across a membrane. 

Peripheral protein is a protein that temporarily adheres to the biological membrane, either to the lipid bilayer or to integral proteins by a combination of hydrophobic, electrostatic, and other non-covalent interactions. Peripheral membrane proteins are located on the peripheral regions of the lipid bilayer of biological membranes. 

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